Hyundai Sonata: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according
to the Maintenance Schedule at the beginning of this section.
CALIFORNIA PROPOSITION 65 WARNING
Engine oil contains ...
Checking the coolant level
WARNING
Removing radiator cap
Never attempt to remove the radiator cap while the engine is operating
or hot. Doing so might lead to cooling system and engine damage and could result
in se ...
See also:
To resume cruising speed at more than approximately 25 mph (40 km/h)
If any method other than the cruise ON/OFF switch was used to cancel cruising
speed and the system is still activated, the most recent set speed will automatically
resume when the RES+ switch ...
Thermostat. Troubleshooting
Troubleshooting
Symptoms
Possible Causes
Remedy
Coolant leakage
•
From the thermostat gasket
...
Driving in the rain
Rain and wet roads can make driving dangerous, especially if you’re not prepared
for the slick pavement. Here are a few things to consider when driving in the rain:
A heavy rainfall will make ...
